Chapter 17 Intruder Types

50% of attacks from outside, but disgruntled employees cause 90% of computer crimes that result in financial loss

media attention on teenage "hackers" is misleading

Outsiders: hackers & competitive intelligence gathering veering into industrial espionage?
Economic Espionage Act 1996: theft of trade secrets a crime

Insiders: more successful & damaging, more common. Knows system, where valuable info is, what security there is, has access.
incidents are handled quietly; rarely criminal charges, thus not public knowledge.
disgruntled employee: "biggest risk"; (it's personal)
temps, contractors, consultants: less tied to organization; not subject to corporate policies.

Professional: spy, hacker for hire, organized crime

hacktivists, terrorists